It claims he has partnered with Dr Phil to promote the product - a "natural remedy" containing monkey head mushrooms and horny goat weed.

"I am so confident in the product Dr Phil and I have created that I am offering free samples to our viewers," the bogus story reads. "I wouldn't talk about something on air I don't believe and haven't tried myself."

But McGuire has dismissed the article as total fiction.

"Clearly this is defamatory against me and it's illegal to use someone's likeness and purport it to be them," the TV personality said on Triple M. "I'm gonna sue their arse off."

"This is a week after Facebook has just been excoriated in America about false news and they're able to just run a completely bogus ad," he said.